System Administrator III - Linux

About the Opportunity

The Systems Administrator III - Linux administers, secures, and optimizes enterprise Red Hat Enterprise Linux (RHEL) environments across on-premises, virtual, and cloud-based infrastructures in a remote and on-site work environment. This role supports system reliability, performance, automation, patch management, vulnerability remediation, and identity management integration while ensuring the security and availability of mission-critical systems. Working closely with cross-functional teams, the Linux Systems Administrator supports secure, scalable infrastructure operations and cloud migration initiatives.

Success in this role is demonstrated through maintaining secure, highly available Linux environments, implementing automation and security improvements, resolving complex technical issues, ensuring compliance with federal and organizational requirements, and collaborating effectively to support mission and business objectives.

What You Will Do in This Role

The Systems Administrator III - Linux administers, secures, maintains, and optimizes enterprise Red Hat Enterprise Linux (RHEL) environments across physical, virtual, and cloud infrastructures, ensuring secure, highly available, and scalable systems through automation, patching, vulnerability management, identity integration, and cross-functional collaboration.

• Administer, configure, maintain, and optimize enterprise Linux environments, with a primary focus on Red Hat Enterprise Linux (RHEL) systems across physical, virtual, and cloud infrastructures, supporting secure, scalable, and highly available IT services.
• Develop and maintain Linux operating system configurations, enterprise architecture solutions, standards, and detailed documentation covering system architecture, configurations, automation processes, procedures, and troubleshooting activities.
• Implement and maintain Linux configuration management, patch management, system hardening, se...